Atmospheric and Hydrospheric Sciences (A)
Session Sub-categoryComplex & General(CG)
Session IDA-CG38
TitleMulti-scale ocean-atmosphere interaction in the tropical Indo-Pacific region
Short TitleTropical ocean-atmosphere interaction
Main Convener NameAyako Seiki
AffiliationJapan Agency for Marine-Earth Science and Technology
Co-Convener 1NameTomoki Tozuka
AffiliationDepartment of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
Co-Convener 2NameMotoki Nagura
AffiliationJapan Agency for Marine-Earth Science and Technology
Co-Convener 3NameYouichi Kamae
AffiliationFaculty of Life and Environmental Sciences, University of Tsukuba
Session LanguageJ
ScopeMulti-scale ocean-atmosphere interaction in the tropics exerts a significant imprint on the global climate via atmospheric teleconnection. Since the 1980s, anchored by in-situ and satellite observations, improvements in modeling and theoretical understanding, various aspects of dominant modes of interannual (e.g., ENSO and IOD), intraseasonal (e.g., MJO) variabilities and their impacts on tropical (e.g., monsoons) and extra-tropical (e.g., North America) climate variations have received wide attention. Recent satellite-based salinity measurements indicate for an active role of salinity in the tropical ocean-atmosphere interaction. While recent studies suggest a possible link between interdecadal Pacific oscillation and global warming hiatus in 2000s, changes (if any) in the tropical ocean-atmosphere interaction are yet to be understood. Due to interactions between different time scales, between different ocean basins, and with the extratropics, the tropical ocean and atmosphere play a key role in shaping climate, its variability and change. To better understand and examine these challenging issues from various perspectives, this session offers a forum to discuss recent progress in observational, modeling and theoretical studies of multi-scale tropical ocean-atmosphere interaction.
Presentation FormatOral and Poster presentation
Invited AuthorsMichiya Hayashi (Department of Atmospheric Sciences, University of Hawaii at Manoa)
Shuhei Maeda (Climate Prediction Division, Japan Meteorological Agency)
Iwao Ueki (JAMSTEC Japan Agency for Marine-Earth Science and Technology)
Shoshiro Minobe (Graduate School of Science, Hokkaido University)
TimePresentation NoTitlePresenterAbstract
Oral Presentation May 28 AM1
09:00 - 09:15ACG38-01Various aspects of climate system variability associated with ENSOShuhei Maeda
09:15 - 09:30ACG38-02Influence and mechanism of the tropical Pacific variability on the Arctic and its seasonalityTsubasa Takigawa
09:30 - 09:45ACG38-03Subsurface nonlinear dynamical heating and ENSO asymmetry in CMIP5: Implications for anthropogenic tropical-warming uncertaintiesMichiya Hayashi
09:45 - 10:00ACG38-04Uncertainty in the projections of ENSO amplitude change under global warming: Role of the response of atmospheric circulation to SST anomaliesJun Ying
10:00 - 10:15ACG38-05Impact of atmospheric variability on Indian Ocean Dipole modeYuya Baba
10:15 - 10:30ACG38-06Do salinity anomalies matter for the evolution of the IOD? –Experimental assessments using a regional ocean model-Shoichiro Kido
Oral Presentation May 28 AM2
10:45 - 11:00ACG38-07Mechanisms of future changes in equatorial upwelling: CMIP5 inter-model analysisShoshiro Minobe
11:00 - 11:15ACG38-08The Indo-Pacific cross-basin interaction of the decadal climate variability under the progress of the global warmingYuma Miyaji
11:15 - 11:30ACG38-09Air-sea flux observation by unmanned autonomous sea surface vehicle in the Tropics - Application of the Wave Glider -Iwao Ueki
11:30 - 11:45ACG38-10Radar-derived Fresh water flux and its possible impact to the oceanic stratification observed during the Years of the Maritime Continent (YMC)Masaki Katsumata
11:45 - 12:00ACG38-11Driving Mechanism of Inter-Annual Precipitation Variability during Monsoon Season over the Northern Part of Sumatra Island, IndonesiaYahya Darmawan
12:00 - 12:15ACG38-12The impact of diurnal precipitation over the maritime continent on synoptic disturbances and its relation to the MJOAyako Seiki
Presentation NoTitlePresenterAbstract
Poster Presentation May 28 PM2
ACG38-P01Impacts of seasonal transitions of ENSO on frequency of atmospheric rivers over East AsiaYouichi Kamae
ACG38-P02Impact of tropical Pacific sea surface temperature on the regional heavy rainfall events in JapanYukiko Imada
ACG38-P03The North Pacific pacemaker effect on historical ENSO and its mechanismsYu Kosaka
ACG38-P04Detection of the dry intrusions from the mid-latitudes to the Equator and their association with MJOSaki Yanagisawa
ACG38-P05Relationship between oceanic and atmospheric variations in the Philippine Sea and modulation of El Nino eventsTakuya Hasegawa
ACG38-P06Contribution of oceanic wave propagation from the tropical Pacific to asymmetry of the Ningaloo Nino/NinaHidehiro Kusunoki
ACG38-P07The life-cycle of annual waves in the Indian Ocean as identified by a seamless diagnosis for the energy fluxZimeng Li